The soft upper of the Nike Mercurial Vapor 13 Academy IC wraps your foot for a second-skin fit, while the rubber outsole helps supercharge traction on the court or street.Soft synthetic material is textured from heel to toe to give you the touch you need for creativity at high speeds. Based on Nike Sports Research Lab analysis of player movements, the rubber outsole is designed to provide multidirectional traction on street, court and indoor surfaces.